Body (mm) W83×D80×H33
Sensor (mm) W62×D34×H12
Charged using supplied AC adapter
（AC：100-240V / 50/60Hz / 0.5A）
Approximately 24 hours of use
(Fully charged in 4 hours)
Apply gel to the sensor and secure it to the body using a medical tape
DFree detects the changes in bladder size and predicts urination timing.
DFree needs to be placed 20mm above the pubis to detect the bladder properly.
DFree uses harmless, non-invasive ultrasound sensor. Ultrasound technology is also used in prenatal checkups as well as other non-medical devices such as tooth brushes and beauty machines.
DFree sends alerts to your smart devices when it is time to go to the toilet.
You can download more information from here.